As of 4:01 PM EDT on July 15, 2025, out of 17 cities in Chatham County, GA in our database, 16 cities (94%) have a UV Index reading of High, while 1 city (6%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Wilmington Island, GA with a reading of 6.8.
Over the next 24 hours, the highest UV Index reading in Chatham County, GA is expected to be 11.2 in Port Wentworth between 2:00 PM - 3:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |